Patents by Inventor Wouter Hagens

Wouter Hagens has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Polyurethane foam useful for insulated containers
    Patent number: 3984359
    Abstract: The invention is a novel hydroxyl-group containing component useful in the formation of polyurethane foam, a polyurethane foam and a process for making polyurethane foam using the novel hydroxyl-group containing component and an insulated container and a process for making an insulated container using polyurethane foam formed from the novel hydroxyl-group containing component.
    Type: Grant
    Filed: January 24, 1975
    Date of Patent: October 5, 1976
    Assignee: Shell Oil Company
    Inventors: Michael H. Collins, Granville T. Merrall, Wouter Hagens